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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| package main | ||
|
|
||
| /* | ||
| import ( | ||
| "bytes" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "net/http/httputil" | ||
| "text/template" | ||
| ) | ||
| type jresp struct { | ||
| Status int `json:"status"` | ||
| Results interface{} `json:"results,omitempty"` | ||
| Error error `json:"error,omitempty"` | ||
| } | ||
| func renderServer(w http.ResponseWriter, r *http.Request) { | ||
| l.Noticef("new request ( %s %s ) from %s", r.Method, r.URL, r.RemoteAddr) | ||
| if *debug { | ||
| b, _ := httputil.DumpRequest(r, true) | ||
| l.Debugf("request ( %s %s ) from %s: %s", r.Method, r.URL, r.RemoteAddr, string(b)) | ||
| } | ||
| if r.Method != http.MethodPost { | ||
| l.Errorf("rejected request ( %s %s ) from %s: bad method", r.Method, r.URL, r.RemoteAddr) | ||
| w.WriteHeader(http.StatusMethodNotAllowed) | ||
| return | ||
| } | ||
| if err := r.ParseMultipartForm(32 << 20); err != nil { | ||
| l.Errorf("error processing request ( %s %s ) from %s: invalid form data: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
| j, _ := json.MarshalIndent(r.Form, "", " ") | ||
| fmt.Println(string(j)) | ||
| var postTemplates map[string]string | ||
| if err := json.NewDecoder(r.Body).Decode(&postTemplates); err != nil { | ||
| l.Errorf("error processing request ( %s %s ) from %s: invalid body: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusBadRequest) | ||
| json.NewEncoder(w).Encode(jresp{ | ||
| Status: http.StatusBadRequest, | ||
| Error: fmt.Errorf( | ||
| `must submit a map[key]value JSON object where key is a string identifier for the template and value is the base64-encoded template itself. a special map["data"] field (also base64 encoded) may be provided, it will not be considered a template but as a data object to apply to the templates in template.Execute`, | ||
| ), | ||
| }) | ||
| return | ||
| } | ||
| var postedData interface{} | ||
| if v, ok := postTemplates["data"]; ok { | ||
| b, err := base64.StdEncoding.DecodeString(v) | ||
| if err != nil { | ||
| l.Warningf("error decoding map[data] from request ( %s %s ) from %s: b64dec: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusBadRequest) | ||
| json.NewEncoder(w).Encode(jresp{ | ||
| Status: http.StatusBadRequest, | ||
| Error: err, | ||
| }) | ||
| return | ||
| } | ||
| postedData = string(b) | ||
| delete(postTemplates, "data") | ||
| } | ||
| if len(postTemplates) < 1 { | ||
| l.Infof("request ( %s %s ) from %s: no content", r.Method, r.URL, r.RemoteAddr) | ||
| w.WriteHeader(http.StatusNoContent) | ||
| return | ||
| } | ||
| tpl := template.New("").Funcs(buildFuncMap(*unsafe)) | ||
| for n, t := range postTemplates { | ||
| b, err := base64.RawStdEncoding.DecodeString(t) | ||
| if err != nil { | ||
| l.Warningf("error decoding templates from request ( %s %s ) from %s: b64dec: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusBadRequest) | ||
| json.NewEncoder(w).Encode(jresp{ | ||
| Status: http.StatusBadRequest, | ||
| Error: err, | ||
| }) | ||
| return | ||
| } | ||
| tpl, err = tpl.New(n).Parse(string(b)) | ||
| if err != nil { | ||
| l.Warningf("error processing request ( %s %s ) from %s: tpl.New: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusBadRequest) | ||
| json.NewEncoder(w).Encode(jresp{ | ||
| Status: http.StatusBadRequest, | ||
| Error: err, | ||
| }) | ||
| return | ||
| } | ||
| } | ||
| buf := new(bytes.Buffer) | ||
| if err := tpl.Execute(buf, postedData); err != nil { | ||
| l.Warningf("error processing request ( %s %s ) from %s: tpl.Execute: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| json.NewEncoder(w).Encode(jresp{ | ||
| Status: http.StatusInternalServerError, | ||
| Error: err, | ||
| }) | ||
| return | ||
| } | ||
| w.WriteHeader(http.StatusOK) | ||
| _, err := io.Copy(w, buf) | ||
| if err != nil { | ||
| l.Warningf("error sending response to request ( %s %s ) from %s: %s", r.Method, r.URL, r.RemoteAddr, err) | ||
| } | ||
| l.Infof("processed request ( %s %s ) from %s", r.Method, r.URL, r.RemoteAddr) | ||
| } | ||
| //http.Error() | ||
| func uiPage(w http.ResponseWriter, r *http.Request) { | ||
| l.Noticef("new request ( %s %s ) from %s", r.Method, r.URL, r.RemoteAddr) | ||
| if *debug { | ||
| b, _ := httputil.DumpRequest(r, true) | ||
| l.Debugf("request ( %s %s ) from %s: %s", r.Method, r.URL, r.RemoteAddr, string(b)) | ||
| } | ||
| if r.Method != http.MethodGet { | ||
| l.Errorf("rejected request ( %s %s ) from %s: bad method", r.Method, r.URL, r.RemoteAddr) | ||
| w.WriteHeader(http.StatusMethodNotAllowed) | ||
| return | ||
| } | ||
| w.WriteHeader(http.StatusOK) | ||
| w.Write([]byte(`<!DOCTYPE html> | ||
| <style> | ||
| Body { | ||
| display:flex; | ||
| font-family: Calibri, Helvetica, sans-serif; | ||
| background-color: #303030; | ||
| } | ||
| h1 {text-align: center;} | ||
| p {text-align: center;} | ||
| div {text-align: center;} | ||
| </style> | ||
| <html> | ||
| <head> | ||
| <title>xprint render page</title> | ||
| </head> | ||
| <body> | ||
| <form enctype="multipart/form-data" action="/render" method="POST"> | ||
| <textarea id="template">main template</textarea> | ||
| <textarea id="data">data</textarea> | ||
| <input type="file" id="templates" name="templates" multiple> | ||
| <input type="submit">render</button> | ||
| </form> | ||
| </body> | ||
| </html> | ||
| `)) | ||
| } | ||
| */ |